CVE-2012-4528

What it is

The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

12.4% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2012-12-28 11:48 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:45 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 12.4% in the next 30 days (EPSS).
• Severity: 5.0 MEDIUM (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2012-12-28 11:48 UTC

Last modified

2026-06-16 23:45 UTC

Exploit probability

12.4% · EPSS, next 30 days

Record status

Modified

Affected

• Trustwave Modsecurity < 2.7.0
• Opensuse 11.4
• Opensuse 12.2
• Opensuse 12.3
• Fedoraproject Fedora 18

Attack profile CVSS 2.0 · 5.0

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2012-4528.md and follow it. Check whether this project is affected by CVE-2012-4528. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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